The leading exchange is organising a function to mark the the silver jubilee celebrations here on August 8.
In a statement, the NSE said the President's office has communicated his inability to grace the silver jubilee celebrations "due to his busy schedule".
"President in his greetings sent to the NSE has complimented its pivotal role in providing a stable, transparent and globally trusted market platform," the statement said.
Without naming anyone, the exchange said various dignitaries, including Cabinet ministers, would attend the function.
The bourse is under the regulatory scanner for allegedly giving preferential access to its co-location servers for algorithmic trading to some stock brokers.
The NSE, which started operations in 1994, is one of the world's largest stock exchanges.
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